Neutrophils · Histology

Which of the following is true regarding the 'Marginating Pool' of neutrophils?

  1. It consists of neutrophils stored in the bone marrow
  2. It is the group of neutrophils actively dividing in the spleen
  3. It represents neutrophils that have already entered the tissues
  4. It consists of neutrophils adhered to vessel endothelium
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Correct answer: It consists of neutrophils adhered to vessel endothelium

About half of the neutrophils in the vascular system are not circulating freely but are instead rolling along or adhered to the vessel walls. These cells can be quickly released into the 'circulating pool' by stress or adrenaline.

Difficulty: Medium Question 14 of 20

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